Washington Ave, New Haven, CT Property Records

New Haven City property records for 61 addresses on Washington Ave, New Haven, CT · Last verified October 2026

Washington Ave Highlights

Properties 61
Median Sale Price $305,000
Deeds and Mortgages on File 63
Median Price per Sqft $119
Owner Occupied 18%
Median Annual Tax Bill $4,771
Median Year Built 1900
Median Ownership Tenure 11 years

Properties on Washington Ave

Owner names and prior sale amounts shown locked below are available instantly with a free trial.

2 Washington Ave

20 bd · 80 ba · 108,478 sqft · built 2019 · 0.747 acres

Last Sale Tax Bill Prior Sale Owner Records
$150,000Aug 2018 $584,6852025 Owner on Record AssessorUpdated Jul 2026

70 Washington Ave

14,789 sqft · built 1904 · 0.727 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on Record AssessorUpdated Jul 2026

93 Washington Ave

0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on Record Assessor + 1 DocumentUpdated Jul 2026

101 Washington Ave

0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on Record Assessor + 1 DocumentUpdated Jul 2026

169 Washington Ave

9,600 sqft · built 1979 · 1.01 acres

Last Sale Tax Bill Prior Sale Owner Records
$46,9222025 Owner on Record AssessorUpdated Jul 2026

307 Washington Ave

16,560 sqft · built 2006 · 0.112 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on Record AssessorUpdated Jul 2026

326 Washington Ave

0.066 acres

Last Sale Tax Bill Prior Sale Owner Records
$15,000Jan 2000 Amount on Record Nov 1987 Owner on Record AssessorUpdated Jul 2026

332 Washington Ave

4 bd · 2 ba · 1,742 sqft · built 1900 · 0.056 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,3362025 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

338 Washington Ave

0.097 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,500Apr 2016 $4,7742025 Owner on Record AssessorUpdated Jul 2026

350 Washington Ave

2,992 sqft · built 1952 · 0.067 acres

Last Sale Tax Bill Prior Sale Owner Records
$95,000Apr 2015 $9,8162025 Owner on Record AssessorUpdated Jul 2026

369 Washington Ave

2,674 sqft · built 1982 · 0.603 acres

Last Sale Tax Bill Prior Sale Owner Records
$11,6362025 Owner on Record AssessorUpdated Jul 2026

441 Washington Ave

4,007 sqft · built 1978 · 0.749 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,750,000Feb 2019 $22,3732025 Amount on Record Nov 2003 2 Owners on Record Assessor + 2 DocumentsUpdated Jul 2026

517 Washington Ave

0.13 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,000Apr 2004 $9462025 Owner on Record Assessor + 2 DocumentsUpdated Jul 2026

520 Washington Ave

11,893 sqft · built 1978 · 1.35 acres

Last Sale Tax Bill Prior Sale Owner Records
$43,3062025 2 Owners on Record Assessor + 2 DocumentsUpdated Jul 2026

527 Washington Ave

0.169 acres

Last Sale Tax Bill Prior Sale Owner Records
$47,500Jun 2018 $9742025 Owner on Record Assessor + 2 DocumentsUpdated Jul 2026

569 Washington Ave

4 bd · 2 ba · 2,170 sqft · built 1900 · 0.12 acres

Last Sale Tax Bill Prior Sale Owner Records
$270,000Aug 2023 $4,3142025 Amount on Record Aug 2011 Owner on Record Assessor + 4 DocumentsUpdated Jul 2026

575 Washington Ave

0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$535,000Mar 2025 $9462025 Amount on Record Sep 2019 Owner on Record Assessor + 5 DocumentsUpdated Jul 2026

589 Washington Ave

6 bd · 4 ba · 3,201 sqft · built 1900 · 0.22 acres

Last Sale Tax Bill Prior Sale Owner Records
$535,000Mar 2025 $7,4472025 Owner on Record Assessor + 2 DocumentsUpdated Jul 2026

599 Washington Ave

3,272 sqft · built 1900 · 0.15 acres

Last Sale Tax Bill Prior Sale Owner Records
$30,000Sep 1982 $8,1892025 2 Owners on Record Assessor + 1 DocumentUpdated Jul 2026

606 Washington Ave

0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on Record AssessorUpdated Jul 2026

607 Washington Ave

3,910 sqft · built 1900 · 0.19 acres

Last Sale Tax Bill Prior Sale Owner Records
$600,000Nov 2024 $9,1342025 Amount on Record May 2019 Owner on Record Assessor + 4 DocumentsUpdated Jul 2026

613 Washington Ave

4 bd · 2 ba · 1,906 sqft · built 1900 · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$60,000May 2019 $4,4682025 Amount on Record Jul 2010 Owner on Record Assessor + 2 DocumentsUpdated Jul 2026

614 Washington Ave

8 bd · 3 ba · 3,491 sqft · built 1900 · 0.11 acres

Last Sale Tax Bill Prior Sale Owner Records
$305,000Sep 2023 $6,0432025 Amount on Record Aug 2006 Owner on Record Assessor + 2 DocumentsUpdated Jul 2026

615 Washington Ave

8 bd · 3 ba · 2,676 sqft · built 1900 · 0.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$31,000May 2011 $4,7712025 —Dec 2010 Owner on Record Assessor + 1 DocumentUpdated Jul 2026

620 Washington Ave

5 bd · 2 ba · 2,282 sqft · built 1900 · 0.13 acres

Last Sale Tax Bill Prior Sale Owner Records
$200,000Aug 2005 $5,9302025 Amount on Record Apr 2005 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

623 Washington Ave

4 bd · 2 ba · 2,400 sqft · built 1900 · 0.139 acres

Last Sale Tax Bill Prior Sale Owner Records
$57,900Jun 2009 $4,7712025 Amount on Record Feb 2009 Owner on Record AssessorUpdated Jul 2026

624 Washington Ave

0.069 acres

Last Sale Tax Bill Prior Sale Owner Records
$254,600Jul 2008 $8882025 Owner on Record AssessorUpdated Jul 2026

626 Washington Ave

6 bd · 3 ba · 2,023 sqft · built 1900 · 0.069 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,3852025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

627 Washington Ave

0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$912025 Owner on Record Assessor + 1 DocumentUpdated Jul 2026

630 Washington Ave

0.069 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on Record AssessorUpdated Jul 2026

633 Washington Ave

4 bd · 2 ba · 1,407 sqft · built 1900 · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$14,000Sep 1993 $4,4492025 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

634 Washington Ave

0.069 acres

Last Sale Tax Bill Prior Sale Owner Records
—Aug 2014 Owner on Record AssessorUpdated Jul 2026

637 Washington Ave

6 bd · 2 ba · 1,995 sqft · built 1910 · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$156,000May 2021 $4,7712025 Amount on Record Oct 2015 Owner on Record Assessor + 1 DocumentUpdated Jul 2026

639 Washington Ave

4 bd · 1.5 ba · 936 sqft · built 1900 · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$60,000Oct 2002 $3,2882025 Amount on Record Jan 2002 Owner on Record Assessor + 2 DocumentsUpdated Aug 2026

640 Washington Ave

3 bd · 2 ba · 1,568 sqft · built 2005 · 0.143 acres

Last Sale Tax Bill Prior Sale Owner Records
$147,000Dec 2017 $6,0542025 Amount on Record Aug 2016 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

643 Washington Ave

2 bd · 1 ba · 586 sqft · built 1900 · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,500May 2012 $2,5932025 Amount on Record Oct 1999 Owner on Record Assessor + 1 DocumentUpdated Aug 2026

645 Washington Ave

4 bd · 2 ba · 1,860 sqft · built 1900 · 0.069 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,4692025 Owner on Record Assessor + 1 DocumentUpdated Jul 2026

649 Washington Ave

4 bd · 3 ba · 1,980 sqft · built 1910 · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$190,000Nov 2019 $6,1062025 Amount on Record May 2019 Owner on Record Assessor + 3 DocumentsUpdated Jul 2026

653 Washington Ave

4 bd · 2 ba · 1,600 sqft · built 1900 · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$180,000Jul 2007 $5,1272025 Amount on Record Aug 2006 2 Owners on Record Assessor + 1 DocumentUpdated Jul 2026

655 Washington Ave

2 bd · 1 ba · 619 sqft · built 1900 · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$88,000Jul 2007 $2,2622025 Amount on Record Sep 1999 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

656 Washington Ave

0.21 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on Record AssessorUpdated Jul 2026

659 Washington Ave

1,820 sqft · built 1900 · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$187,000Jan 2008 $5,2372025 Owner on Record AssessorUpdated Jul 2026

665 Washington Ave

0.039 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on Record AssessorUpdated Jul 2026

667 Washington Ave

3 bd · 1.5 ba · 1,155 sqft · built 1900 · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,8122025 Owner on Record AssessorUpdated Jul 2026

669 Washington Ave

5 bd · 3 ba · 2,167 sqft · built 1900 · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$65,000Oct 1996 $5,4472025 Owner on Record Owner Occupied AssessorUpdated Jul 2026

670 Washington Ave

9 bd · 5 ba · 6,852 sqft · built 1925 · 0.407 acres

Last Sale Tax Bill Prior Sale Owner Records
$125,000Aug 2005 $13,2912025 Owner on Record AssessorUpdated Jul 2026

673 Washington Ave

4 bd · 1 ba · 1,600 sqft · built 1900 · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$175,000Sep 2021 $2,8092026 Amount on Record Aug 2011 Owner on Record Assessor + 3 DocumentsUpdated Oct 2026

677 Washington Ave

4 bd · 4 ba · 3,312 sqft · built 1900 · 0.119 acres

Last Sale Tax Bill Prior Sale Owner Records
$380,000Mar 2021 $8,3622025 Amount on Record Mar 2012 Owner on Record Assessor + 2 DocumentsUpdated Aug 2026

683 Washington Ave

2 bd · 1 ba · 1,026 sqft · built 1900 · 0.08 acres

Last Sale Tax Bill Prior Sale Owner Records
$60,000Dec 2003 $3,8012025 Amount on Record Apr 1997 Owner on Record Owner Occupied AssessorUpdated Jul 2026

689 Washington Ave

1,260 sqft · built 1900 · 0.14 acres

Last Sale Tax Bill Prior Sale Owner Records
$30,000May 2011 $3,5692025 Amount on Record Apr 1994 Owner on Record AssessorUpdated Jul 2026

690 Washington Ave

4,295 sqft · built 1900 · 0.098 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,9952025 Owner on Record AssessorUpdated Jul 2026

698 Washington Ave

3,094 sqft · built 1900 · 0.128 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,8382025 Owner on Record Assessor + 1 DocumentUpdated Jul 2026

720 Washington Ave

3 bd · 2 ba · 1,504 sqft · built 1900 · 0.076 acres

Last Sale Tax Bill Prior Sale Owner Records
$193,000May 2022 $4,4352025 Amount on Record Aug 2009 Owner on Record Assessor + 1 DocumentUpdated Jul 2026

724 Washington Ave

9 bd · 3 ba · 1,800 sqft · built 1900 · 0.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,2952025 Owner on Record Owner Occupied AssessorUpdated Jul 2026

728 Washington Ave

3 bd · 1.5 ba · 1,552 sqft · built 1900 · 0.069 acres

Last Sale Tax Bill Prior Sale Owner Records
$100,000Jan 2018 $4,4212025 Amount on Record Nov 2017 Owner on Record Assessor + 3 DocumentsUpdated Jul 2026

730 Washington Ave

2 bd · 1 ba · 900 sqft · built 1900 · 0.05 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,1952025 Owner on Record Owner Occupied AssessorUpdated Jul 2026

734 Washington Ave

2 bd · 1 ba · 816 sqft · built 1900 · 0.069 acres

Last Sale Tax Bill Prior Sale Owner Records
$28,000Apr 2014 $2,7722025 —Mar 2014 Owner on Record AssessorUpdated Aug 2026

736 Washington Ave

3 bd · 3 ba · 1,240 sqft · built 1900 · 0.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$45,600Jun 2011 $3,5362025 —Feb 2011 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

740 Washington Ave

2 bd · 3 ba · 1,240 sqft · built 1900 · 0.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$230,000May 2023 $4,3662025 Owner on Record Assessor + 2 DocumentsUpdated Aug 2026

742 Washington Ave

5 bd · 3 ba · 2,048 sqft · built 1900 · 0.089 acres

Last Sale Tax Bill Prior Sale Owner Records
$245,000Aug 2022 $4,6442025 —Jan 2012 Owner on Record Assessor + 2 DocumentsUpdated Jul 2026

808 Washington Ave

22,000 sqft · built 1975 · 4.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,300,000Nov 2022 $43,4832025 Owner on Record Assessor + 1 DocumentUpdated Jul 2026

Property Records in Nearby Streets